- Companies
- Plumbers and heating engineers
- London
- Capital Heat & Water Ltd
Capital Heat & Water Ltd
- Company number
- 16726520
- Incorporated
- 18 Sep 20251 year trading
- Registered office
- 1 Iverson Road, London, NW6 2QT
- Nature of business
- Plumbing, heat and air-conditioning installation
Capital Heat & Water Ltd is a 1-year-old private limited company registered in London, company number 16726520, one of 2,972 plumbing and heating companies in London. Its next accounts are due at Companies House on 18 June 2027, and its first CT600 is due at HMRC on 17 September 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
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Where Capital Heat & Water Ltd is registered
The registered office is in London (NW6), in the Camden local authority area, London. Show NW6 2QT on a map.
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What happens if Capital Heat & Water Ltd files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 18 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 19 Jun 2027 to 18 Jul 2027 | £150 |
| 1 to 3 months late | 19 Jul 2027 to 18 Sep 2027 | £375 |
| 3 to 6 months late | 19 Sep 2027 to 18 Dec 2027 | £750 |
| More than 6 months late | From 19 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 16726520
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 18 September 2025 (1 year ago)
- Registered office
- 1 Iverson Road, London, NW6 2QT
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 17 September 2026
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in London
Other active plumbing and heating companies registered in London.
- Capital Heat Ltd2013
- Capital Heat Mechanical Ltd2024
- Capital Hiu Engineers Limited2021
- Capital Properties Umbrella Ltd2018
- Captain Gas Ltd2018
- Captain Heating Ltd2019
- Captial Climate Ltd2026
- Caravel HVAC Services Limited2025
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Capital Heat & Water Ltd's accounts due?
Capital Heat & Water Ltd's next accounts are due at Companies House by 18 June 2027 (in 248 days), covering the period to 30 September 2026.
When is Capital Heat & Water Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 17 September 2026, due by 17 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Capital Heat & Water Ltd still trading?
Capital Heat & Water Ltd is listed as active on the Companies House register (checked 13 Oct 2026). Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Capital Heat & Water Ltd do?
Capital Heat & Water Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Capital Heat & Water Ltd?
Capital Heat & Water Ltd was incorporated on 18 September 2025, 1 year ago.
What is the penalty if Capital Heat & Water Ltd files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Capital Heat & Water Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.